Mike Reed | 3fd3cc9 | 2019-06-20 12:40:30 -0400 | [diff] [blame] | 1 | /* |
| 2 | * Copyright 2019 Google LLC |
| 3 | * |
| 4 | * Use of this source code is governed by a BSD-style license that can be |
| 5 | * found in the LICENSE file. |
| 6 | */ |
| 7 | |
| 8 | #include "gm/gm.h" |
| 9 | #include "include/core/SkCanvas.h" |
Mike Reed | 3fd3cc9 | 2019-06-20 12:40:30 -0400 | [diff] [blame] | 10 | #include "include/core/SkData.h" |
Mike Reed | 3fd3cc9 | 2019-06-20 12:40:30 -0400 | [diff] [blame] | 11 | #include "include/core/SkPaint.h" |
Mike Reed | 3fd3cc9 | 2019-06-20 12:40:30 -0400 | [diff] [blame] | 12 | #include "include/core/SkSize.h" |
| 13 | #include "include/core/SkString.h" |
Brian Osman | ee426f2 | 2020-01-02 11:55:24 -0500 | [diff] [blame] | 14 | #include "include/effects/SkRuntimeEffect.h" |
Mike Reed | 3fd3cc9 | 2019-06-20 12:40:30 -0400 | [diff] [blame] | 15 | |
Mike Reed | 3fd3cc9 | 2019-06-20 12:40:30 -0400 | [diff] [blame] | 16 | const char* gProg = R"( |
Brian Osman | c937bc5 | 2019-12-09 12:07:09 -0500 | [diff] [blame] | 17 | uniform half4 gColor; |
Mike Reed | 3fd3cc9 | 2019-06-20 12:40:30 -0400 | [diff] [blame] | 18 | |
Brian Osman | 7353dc5 | 2020-02-07 13:37:12 -0500 | [diff] [blame] | 19 | void main(float2 p, inout half4 color) { |
| 20 | color = half4(half2(p)*(1.0/255), gColor.b, 1); |
Mike Reed | 3fd3cc9 | 2019-06-20 12:40:30 -0400 | [diff] [blame] | 21 | } |
| 22 | )"; |
| 23 | |
| 24 | class RuntimeShader : public skiagm::GM { |
Mike Reed | 3fd3cc9 | 2019-06-20 12:40:30 -0400 | [diff] [blame] | 25 | bool runAsBench() const override { return true; } |
| 26 | |
Hal Canary | 594fe85 | 2019-07-18 13:35:49 -0400 | [diff] [blame] | 27 | SkString onShortName() override { return SkString("runtime_shader"); } |
Mike Reed | 3fd3cc9 | 2019-06-20 12:40:30 -0400 | [diff] [blame] | 28 | |
Hal Canary | 594fe85 | 2019-07-18 13:35:49 -0400 | [diff] [blame] | 29 | SkISize onISize() override { return {512, 256}; } |
Mike Reed | 3fd3cc9 | 2019-06-20 12:40:30 -0400 | [diff] [blame] | 30 | |
Mike Reed | 3fd3cc9 | 2019-06-20 12:40:30 -0400 | [diff] [blame] | 31 | void onDraw(SkCanvas* canvas) override { |
Brian Osman | 3225306 | 2020-02-05 11:37:08 -0500 | [diff] [blame] | 32 | sk_sp<SkRuntimeEffect> gEffect = std::get<0>(SkRuntimeEffect::Make(SkString(gProg))); |
Brian Osman | 93de162 | 2019-12-26 08:43:05 -0500 | [diff] [blame] | 33 | SkASSERT(gEffect); |
| 34 | |
| 35 | SkMatrix localM; |
| 36 | localM.setRotate(90, 128, 128); |
| 37 | |
| 38 | SkColor4f inputColor = { 1, 0, 0, 1 }; |
| 39 | auto shader = gEffect->makeShader(SkData::MakeWithCopy(&inputColor, sizeof(inputColor)), |
| 40 | nullptr, 0, &localM, true); |
Mike Reed | 3fd3cc9 | 2019-06-20 12:40:30 -0400 | [diff] [blame] | 41 | SkPaint p; |
Brian Osman | 93de162 | 2019-12-26 08:43:05 -0500 | [diff] [blame] | 42 | p.setShader(std::move(shader)); |
Mike Reed | 3fd3cc9 | 2019-06-20 12:40:30 -0400 | [diff] [blame] | 43 | canvas->drawRect({0, 0, 256, 256}, p); |
| 44 | } |
Mike Reed | 3fd3cc9 | 2019-06-20 12:40:30 -0400 | [diff] [blame] | 45 | }; |
| 46 | DEF_GM(return new RuntimeShader;) |